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Since constructing and delivering the first indigenous Korea frigate in 1980, HHI has grown as a developer and builder of naval ships. In 1975, the Korean Ministry of Defense nominated HHI to design and build the first indigenous Korean frigate the Ulsan-class frigate. Our cutting edge shipbuilding technology has positioned HHI to lead the naval shipbuilding industry in the design and construction of a variety of modern sophisticated naval ships All the work necessary for the design and construction of naval & special ships is conducted within NSSBU. NSSBU is located in a separate restricted area within the shipyard for security purposes, and has specialized, skilled manpower and streamlined facilities.
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Naval & Special Ship Business Unit (NSSBU) is an independent organization within HHI dedicated to naval ship design and construction. HHI's Naval & Special Ship Business Unit, as a licensed national defense industrial shipbuilder and engineering consultant for the Republic of Korean Navy, has the technology to design and build modern and reliable surface and underwater combatants and auxiliary support vessels of various proven and advanced hull forms.